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Microwave assisted construction of Ag-AgBr/reduced TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance for degradation of 4-chlorphenol
Cheng, Qingfeng1; Deng, Xiaoyong2; Zhang, Huixuan2; Guo, Ruonan2; Cui, Yuqi2; Ma, Qiuling2; Zhang, Xinyi2; Cheng, Xiuwen2,3; Xie, Mingzheng2; Li, Bo3
2018-03-20
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
卷号193页码:255-263
文章类型Article
摘要There is an increasingly significant issue on decomposition of contaminants in modem chemical industry and environmental protection. Hence, in the study, to improve the catalytic of semiconductor materials, the silver silver bromide nanoparticles decorated reduced TiO2 nano-tube arrays photoelectrode (Ag-AgBr/r-TiO2 NTAs), which exhibits better photocatalytic (PC) performance in the wide range of solar spectra, was successfully fabricated by anodization process, followed by microwave reduction strategy. The partly reduced AgBr nano particles are decorated and both Ti3+ and states are simultaneously introduced in the TiO2 NTAs photo electrode inducing the formation of impurity energy level to form Ag-AgBr/r-TiO2 NTAs photoelectrode. Moreover, PC activity of Ag-AgBr/r-TiO2 NTAs photoelelctrode was measured by degradation of 4-chlorphenol (4-CP). Results suggest that Ag-AgBr/r-TiO2 NTAs photoelectrode exhibits higher PC activity (99.9%) than that of other samples within 120 min illumination. The well combination of surface plasmons Ag-AgBr nanoparticles and r-TiO2 NTAs was responsible for the enhancing of PC, and the recombination of photo-generated electrons and holes can simultaneously be inhibited. Thus, Ag-AgBr nanoparticles and Ti3+ exert huge influence on the PC and photoelectrochemical properties of Ag-AgBr/r-TiO2 NTAs photoelectrode.
关键词Reduction Tio2 Nano-tube Arrays Photoelectrode Ag-agbr Photocatalysis 4-chlorphenol
WOS标题词Science & Technology ; Technology
关键词[WOS]SELF-DOPED TIO2 ; AG-AGBR/TIO2/RGO NANOCOMPOSITE ; NANOTUBES PHOTOELECTRODE ; GRAPHENE OXIDE ; TI3+ ; NANOPARTICLES ; MECHANISM ; FACILE ; DICLOFENAC ; PARTICLES
收录类别SCI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Chemical
WOS记录号WOS:000426410800026
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6435
专题青海盐湖研究所知识仓储
作者单位1.Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Sichuan, Peoples R China
2.Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Gansu, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xinning Rd 18, Xining 810008, Qinghai, Peoples R China
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GB/T 7714
Cheng, Qingfeng,Deng, Xiaoyong,Zhang, Huixuan,et al. Microwave assisted construction of Ag-AgBr/reduced TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance for degradation of 4-chlorphenol[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2018,193:255-263.
APA Cheng, Qingfeng.,Deng, Xiaoyong.,Zhang, Huixuan.,Guo, Ruonan.,Cui, Yuqi.,...&Li, Bo.(2018).Microwave assisted construction of Ag-AgBr/reduced TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance for degradation of 4-chlorphenol.SEPARATION AND PURIFICATION TECHNOLOGY,193,255-263.
MLA Cheng, Qingfeng,et al."Microwave assisted construction of Ag-AgBr/reduced TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance for degradation of 4-chlorphenol".SEPARATION AND PURIFICATION TECHNOLOGY 193(2018):255-263.
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